Stop blocking 'http://127.0.0.1/' as mixed content.

third_party/WebKit/LayoutTests/http/tests/fetch/script-tests/block-mixed-content.js

 // OPTIONS: -base-https
 if (self.importScripts) {
   importScripts('../resources/fetch-test-helpers.js');
 }
 
 var BASE_URL =
-  'http://127.0.0.1:8000/serviceworker/resources/fetch-access-control.php?ACAOrigin=*&label=';
+  'http://example.test:8000/serviceworker/resources/fetch-access-control.php?ACAOrigin=*&label=';
 var HTTPS_BASE_URL =
   'https://127.0.0.1:8443/serviceworker/resources/fetch-access-control.php?ACAOrigin=*&label=';
 var HTTPS_OTHER_BASE_URL =
   'https://localhost:8443/serviceworker/resources/fetch-access-control.php?ACAOrigin=*&label=';
 
 var REDIRECT_URL =
-  'http://127.0.0.1:8000/serviceworker/resources/redirect.php?ACAOrigin=*&Redirect=';
+  'http://example.test:8000/serviceworker/resources/redirect.php?ACAOrigin=*&Redirect=';
 var HTTPS_REDIRECT_URL =
   'https://127.0.0.1:8443/serviceworker/resources/redirect.php?ACAOrigin=*&Redirect=';
 var HTTPS_OTHER_REDIRECT_URL =
   'https://localhost:8443/serviceworker/resources/redirect.php?ACAOrigin=*&Redirect=';
 
 testBlockMixedContent('same-origin');
 testBlockMixedContent('cors');
 
 done();